File System Archiving can be configured to leave behind a placeholder when a file has been archived.
Sometimes it looks a little "odd"
Unfortunately this is a little “feature” of Microsoft’s :
http://support.veritas.com/docs/300992
The placeholder is essentially an offline file in Windows terms, and the icon is now not controllable by us. It’s a shame because people get used to seeing the “black clock” icon to indicate that a file was archived.